<template>
  <div style="min-height: 100vh">
    <el-container style="height: 100%; border: 1px solid #eee">
      <el-aside width="sideWidth + 'px'" style="background-color: rgb(238, 241, 246); box-shadow: 2px 0 6px rgb(0 21 41 /35%)">
        <el-menu :default-openeds="['1', '3']" style="min-height: 100%; overflow-x: hidden"
                 background-color="rgb(48,65,86)"
                 text-color="#fff"
                 active-text-color="#ffd04b"
                 :collapse-transition="false"
                 :collapse="isCollapse"
        >
          <div style="height: 60px; line-height:60px; text-align: center">
            <img src="../assets/logo.png" style="width: 20px; position: relative; top: 5px; margin-right: 5px">
               <b style="color: aqua" v-show="logoTextShow"> 后台管理系统</b>
          </div>
          <el-submenu index="1">
            <template slot="title">
              <i class="el-icon-message"></i>
              <span slot="title">用户管理</span>
            </template>
            <el-menu-item-group>
              <template slot="title">分组一</template>
              <el-menu-item index="1-1">选项1</el-menu-item>
              <el-menu-item index="1-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
              <el-menu-item index="1-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="1-4">
              <template slot="title">选项4</template>
              <el-menu-item index="1-4-1">选项4-1</el-menu-item>
            </el-submenu>
          </el-submenu>
          <el-submenu index="2">
            <template slot="title"><i class="el-icon-menu"></i>
              <span slot="title">新闻管理</span>
            </template>
            <el-menu-item-group>
              <template slot="title">分组一</template>
              <el-menu-item index="2-1">选项1</el-menu-item>
              <el-menu-item index="2-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
              <el-menu-item index="2-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="2-4">
              <template slot="title">选项4</template>
              <el-menu-item index="2-4-1">选项4-1</el-menu-item>
            </el-submenu>
          </el-submenu>
          <el-submenu index="3">
            <template slot="title"><i class="el-icon-setting"></i>
              <span slot="title">评论管理</span>
            </template>
            <el-menu-item-group>
              <template slot="title">分组一</template>
              <el-menu-item index="3-1">选项1</el-menu-item>
              <el-menu-item index="3-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
              <el-menu-item index="3-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="3-4">
              <template slot="title">选项4</template>
              <el-menu-item index="3-4-1">选项4-1</el-menu-item>
            </el-submenu>
          </el-submenu>
        </el-menu>
      </el-aside>

      <el-container>
        <el-header style="font-size: 12px; border-bottom: 3px solid #42b983; line-height: 60px; display: flex">
          <div style="flex: 1; font-size: 25px">
              <span :class="collapseBtnClass" style="cursor: pointer" @click="collapse"></span>
          </div>
          <el-dropdown style="width: 70px; cursor: pointer">
            <span>王小虎</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item>个人信息</el-dropdown-item>
              <el-dropdown-item>退出</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>

        </el-header>

        <el-main>

          <div>
            <el-breadcrumb separator="/">
              <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
              <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
            </el-breadcrumb>
          </div>

          <div style="margin: 10px 0">
            <el-input style="width: 250px" placeholder="请输入名称"></el-input> <el-button class="ml-5" type="primary" icon="el-icon-search">搜索</el-button>
          </div>

          <div style="margin: 10px 0">
              <el-button type="primary">新增<i class="el-icon-circle-plus-outline"></i></el-button>
            <el-button type="primary">删除<i class="el-icon-remove-outline"></i></el-button>
            <el-button type="primary">导入<i class="el-icon-bottom"></i></el-button>
            <el-button type="primary">导出<i class="el-icon-top"></i></el-button>
          </div>

          <el-table :data="tableData" border stripe :header-cell-class-name="headerBg">
            <el-table-column prop="id" label="ID" width="120"></el-table-column>
            <el-table-column prop="name" label="用户名" width="250"></el-table-column>
            <el-table-column prop="password" label="密码" width="240"></el-table-column>
            <el-table-column prop="age" label="年龄" width="180"></el-table-column>
            <el-table-column prop="sex" label="性别" width="180"></el-table-column>
            <el-table-column>
              <template slot-scope="scope">
                  <el-button type="success">编辑<i class="el-icon-edit"></i></el-button>
                  <el-button type="danger">删除<i class="el-icon-remove-outline"></i></el-button>
              </template>
            </el-table-column>
          </el-table>

          <div style="padding: 10px 0">
            <el-pagination
                :current-page="pageNum"
                :page-sizes="[2, 5, 10, 20]"
                :page-size="pageSize"
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
          </div>

        </el-main>
      </el-container>
    </el-container>

  </div>
</template>

<script>

export default {
  name: 'HomeView',
  data(){


    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 2,
      msg:"hahhaha",
      collapseBtnClass:'el-icon-s-fold',
      isCollapse:false,
      sideWidth:200,
      logoTextShow:true,
      headerBg:'headerBg'
    }
  },
  created() {
    //请求分页查询数据
      this.load()
  },
  methods: {
    collapse(){//点击收缩按钮触发
      this.isCollapse = !this.isCollapse
        if (this.isCollapse){//收缩
          this.sideWidth = 0
          this.collapseBtnClass = 'el-icon-s-fold'
          this.logoTextShow = false
        }else {//扩展
          this.sideWidth = 200
          this.logoTextShow= true
        }
    },
    load(){
      fetch("http://localhost:9090/user/page?pageNum="+this.pageNum+"&pageSize=" + this.pageSize).then(res => res.json()).then(res =>{
        console.log(res)
        this.tableData = res.data
        this.total = res.total
      })
    },
    handleSizeChange(pageSize){
      console.log(pageSize)
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum){
      console.log(pageNum)
      this.pageNum = pageNum
      this.load()
    }
  }
}
</script>

<style>
    .headerBg{
      background: cyan!important;
    }
</style>